bids are invited for 1 misc items design supply and install prefabricated roof top solar panel mounting structure made of hot deep galvanized steel angles or channels or flats including ss 30 nuts or bolts and washers suitable for wind resistance up to 170 kmph including necessary pcc foundations of grade 1 ratio 3 ratio 6 of 20 mm grade aggregate at suitable points to provide for a stable robust support all as directed at site all as specified and directed work shall be executed as per mnre latest solar policy all materials makes shall be approved as per mnre, bis and as per approval any other component as required for efficient function of system is deemed included in the above quoted rates 2 misc items supply and install bis and iec certified , mnre approved ip65 rated 10 kw on grid inverter, natural cooled, suitable for ambient temperature range 0 to 60 deg celsius, 50 / 60 hertz frequency, with anti islanding features, having three phase ac output with inbuilt surge protection devices, anti reverse power controller, fuse protection, dc / ac switches, lcd display for generating data, wifi data logger, multiple mppt for optimum generation, wide input voltage range.make of on-grid inverter - havells 3 misc items 4 sqmm dc cable from solar pv system to dcdb along with stringing for power plant the make of cable is polycab only 4 misc items supply and fixing acdb – 1 in 1 out outdoor type, double door , ip65 protected , field acdb panel 5 misc items supply and fix dc distribution boards ( arey junction box ) , ip65, suitable for roof top solar generation system of rating upto 10 kw, 1000 volts, 2 incomer and 2 outgoing with dc surge protection device 1000 v , dc fuse 15 a - 4 nos and mcbs for two string network. the db will be having terminals suitable for 4 sqmm copper conductor cables and the enclosure for the db shall be made of poly carbonate box of ip66 as directed by engineer in charge . 6 misc items material and labour for lightning arrestor of suitable size 1.5meters long, copper rod clamped at one end and base of pipe embedded in pcc foundation of grade 1 ratio 3 ratio 6 of 20 mm grade aggregate on roof slab all as specified and directed by engineer in charge. the lightning arrester to be placed above the top of the solar module for protecting the system. 7 misc items supply, laying and testing cable xlpe insulated , screened, pvc bedded, galvanized steel strip or wire armoured, electric power cables heavy duty 1100 volts grade with stranded aluminium conductor of size 10 sq mm 4 core and with consumables like lugs, ferrules, cable ties, upvc tape, upvc saddle, cable clips, cable route indicator etc. all as specified and directed as per directed by engr in charge. make polycab or havells. 8 misc items m & l chemical earthing complete burried directly in ground at a depth not less than 1.5 m below ground level, by means of bolts, nuts, check nuts, washers of brass material, thimbles and other end of earth lead including necessary excavation and earth works. . 9 misc items earthing pit cover polycarbonate 10 misc items m and l for earth coninuity conductor or main earthing lead fixed to wall on batten or recess or chases or burried in ground or drawn in conduit or pipe or fixed to pole or any other indicated situation or for loop earthing complete of copper wire of 6 sqmm the make of wire polycab or havells the colour of 6sqmm is must be of green colour 11 misc items testing and commissioning of complete system as per guidlines of mnre and ndmc 12 misc items liosioning for instattion of net meter for 10 kw solar power plant for import and export of electricity to the grid